Layers
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Layers are listed in order from the inside space to
the outside on the left side of the dialog box. Each layer contains a list of
physical and thermal properties data. Click the arrow buttons to show and hide
the physical and thermal properties data specified for each layer.
Constructions have the following physical and
thermal properties:
- Thickness — The
total thickness of the material layer.
- Density — The
material density or mass per unit volume.
- Conductivity — The
property of a material that indicates its ability to conduct heat.
- Specific heat — The
amount of heat required to change a material's temperature by a given amount.
- Vapor resistivity —
The time and pressure needed to force a unit amount of water vapor through the
material layer.
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Graphical display
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Construction layers are graphically represented in
order from the inside space to the outside. Thicknesses are displayed
proportionally with the full construction fitting into the graphical display
area.
- Inside/Outside —
For constructions with wall set as the default usage, the two labels indicate
which side of the construction is the inside and the outside. Layer number one
is always towards the inside.
- Top/Bottom — For
constructions with ceiling or floor set as the default usage, the two labels
indicate which side of the construction is the top (inside space) and the
bottom (outside space). Layer number one is always towards the top.
- Layer number —
Layers are labeled with a number that corresponds to its order in the
construction. Changes to the order also update the numbering.
- Dimension —
Construction thickness is displayed with the dimension, and is used as a
reference. Changes to layers and new layers as well as changes in units update
this dimension.
- Layer component
information — Material and thickness is displayed in a pop up tool tip when the
pointer is positioned over a layer.
- Graphical layer
component select — Activate the layer in the layers list by clicking on the
layer graphics.
- Right click option
- flip orientation — Right click on a layer to rotate the construction 90
degrees.
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